Finding the Fourth Proportional to 2,391,128.65, 3,571,453.85 and 2,163,073.42
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Solution
The fourth proportional to 2,391,128.65, 3,571,453.85 and 2,163,073.42 is: 3,230,824.45
Step by Step Solution
- Step 1: Write the proportion equation
2,391,128.65 : 3,571,453.85 = 2,163,073.42 : x - Step 2: Convert to fraction form
2,391,128.65/3,571,453.85 = 2,163,073.42/x - Step 3: Cross multiply
2,391,128.65x = 3,571,453.85 × 2,163,073.42 - Step 4: Simplify right side
2,391,128.65x = 7,725,316,893,691.67 - Step 5: Solve for x
x = 7,725,316,893,691.67/2,391,128.65 - Step 6: Final answer
x = 3,230,824.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.